import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [{
      path: 'dashboard',
      name: 'Dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: '首页', icon: 'el-icon-s-home', affix: true }
    }]
  }
]

/**
 * asyncRoutes      需要权限才能访问
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
//   {
//     path: '/system',
//     component: Layout,
//     alwaysShow: true,
//     name: 'system',
//     meta: { title: '系统管理', icon: 'el-icon-s-help' },
//     children: [
//       {
//         path: '/sysUserList',
//         name: 'sysUserList',
//         component: () => import('@/views/system/sysUserList'),
//         meta: { title: '用户管理', icon: 'table' }
//       },
//       {
//         path: '/sysRoleList',
//         name: 'sysRoleList',
//         component: () => import('@/views/system/sysRoleList'),
//         meta: { title: '角色管理', icon: 'tree' }
//       },
//       { 
//       path: '/sysMenuList', 
//       name: 'sysMenuList', 
//       component: () => import('@/views/system/sysMenuList'), 
//       meta: { title: '菜单管理', icon: 'tree'   } 
//       }
//     ]
//   },
//   {
//     path: '/reader',
//     component: Layout,
//     alwaysShow: true,
//     name: 'reader',
//     meta: { title: '读者管理', icon: 'el-icon-s-help' },
//     children: [
//       {
//         path: '/readerList',
//         name: 'readerList',
//         component: () => import('@/views/reader/readerList'),
//         meta: { title: '读者列表', icon: 'table' }
//       }
//     ]
//   },
//   {
//     path: '/book',
//     component: Layout,
//     alwaysShow: true,
//     name: 'book',
//     meta: { title: '图书管理', icon: 'el-icon-s-help' },
//     children: [
//       {
//         path: '/bookCategory',
//         name: 'bookCategory',
//         component: () => import('@/views/book/bookCategory'),
//         meta: { title: '图书分类', icon: 'table' }
//       },
//       {
//         path: '/bookList',
//         name: 'bookList',
//         component: () => import('@/views/book/bookList'),
//         meta: { title: '图书列表', icon: 'table' }
//       }
//     ]
//   },
//   {
//     path: '/borrow',
//     component: Layout,
//     alwaysShow: true,
//     name: 'borrow',
//     meta: { title: '借阅管理', icon: 'el-icon-s-help' },
//     children: [
//       {
//         path: '/bookBorrow',
//         name: 'bookBorrow',
//         component: () => import('@/views/borrow/bookBorrow'),
//         meta: { title: '借书管理', icon: 'table' }
//       },
//       {
//         path: '/bookReturn',
//         name: 'bookReturn',
//         component: () => import('@/views/borrow/bookReturn'),
//         meta: { title: '还书管理', icon: 'table' }
//       },
//       {
//         path: '/borrowLook',
//         name: 'borrowLook',
//         component: () => import('@/views/borrow/borrowLook'),
//         meta: { title: '借阅查看', icon: 'el-icon-s-cooperation' }
//       }
//     ]
//   },
//   {
//     path: '/notice',
//     component: Layout,
//     alwaysShow: true,
//     name: 'notice',
//     meta: { title: '公告管理', icon: 'el-icon-s-help' },
//     children: [
//       {
//         path: '/noticeList',
//         name: 'noticeList',
//         component: () => import('@/views/notice/noticeList'),
//         meta: { title: '公告列表', icon: 'table' }
//       }
//     ]
//   },
//   // 404 page must be placed at the end !!!
//   { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
